A triterpenoid from wild bitter gourd inhibits breast cancer cells

Li Yuan Bai, Chang Fang Chiu, Po Chen Chu, Wei Yu Lin, Shih Jiuan Chiu, Jing Ru Weng

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Abstract

The antitumor activity of 3β,7β,25-trihydroxycucurbita-5,23(E)-dien-19-al (TCD), a triterpenoid isolated from wild bitter gourd, in breast cancer cells was investigated. TCD suppressed the proliferation of MCF-7 and MDA-MB-231 breast cancer cells with IC 50 values at 72 h of 19 and 23 μM, respectively, via a PPARγ-independent manner. TCD induced cell apoptosis accompanied with pleiotrophic biological modulations including down-regulation of Akt-NF-κB signaling, up-regulation of p38 mitogen-activated protein kinase and p53, increased reactive oxygen species generation, inhibition of histone deacetylases protein expression, and cytoprotective autophagy. Together, these findings provided the translational value of TCD and wild bitter gourd as an antitumor agent for patients with breast cancer.

Original languageEnglish
Article number22419
JournalScientific Reports
Volume6
DOIs
Publication statusPublished - Mar 1 2016

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Cite this

Bai, L. Y., Chiu, C. F., Chu, P. C., Lin, W. Y., Chiu, S. J., & Weng, J. R. (2016). A triterpenoid from wild bitter gourd inhibits breast cancer cells. Scientific Reports, 6, [22419]. https://doi.org/10.1038/srep22419